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authorSalvador E. Tropea <salvador@inti.gob.ar>2016-10-13 17:51:14 -0300
committerSalvador E. Tropea <salvador@inti.gob.ar>2016-10-13 17:51:14 -0300
commitcc8f29a1e60030dc81099c40a99a1f8731bbf114 (patch)
tree02cab58e53bc9a027a0a091c79fbcd0a7ea80f99 /Makefile
parentf263b175b5d6dc464dd46119a16e9413c5907134 (diff)
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Allow to overwrite ABCEXTERNAL from the environment.
In this way Debian scripts can define it as berkeley-abc from the shell.
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 4534d619e..9f16a4fb7 100644
--- a/Makefile
+++ b/Makefile
@@ -90,7 +90,7 @@ ABCMKARGS = CC="$(CXX)" CXX="$(CXX)"
# set ABCEXTERNAL = <abc-command> to use an external ABC instance
# Note: The in-tree ABC (yosys-abc) will not be installed when ABCEXTERNAL is set.
-ABCEXTERNAL =
+ABCEXTERNAL ?=
define newline